Near-infrared photodeformable graphene/NIPAAm composite film and preparation and application thereof
A graphene film and composite film technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems of short service life, small mechanical deformation, strong light, etc., and achieve a simple and convenient preparation method, good cycle stability, Responsive effects
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0031] Using graphite oxide powder as raw material, prepare 80 mL of 5 mg / mL graphite oxide solution, and obtain a graphene oxide dispersion liquid after ultrasonic stripping and dispersion for 1.5 h; pour it into a flat PTFT evaporating dish; place it in a horizontal 60°C oven for evaporation Film formation, the evaporation time is 7h; take out the evaporating dish and place it at room temperature to cool, and use tweezers to peel off the graphene oxide film;
[0032] The graphene oxide film obtained above was soaked in 40mL hydroiodic acid for 1.5h for reduction; washed with deionized water, naturally
[0033] Dry; cut the reduced film into thin strips, and use a power density of 300mW / cm at room temperature 2 near infrared
[0034] Light irradiation for 20s to obtain a graphene film with a three-dimensional network structure;
[0035] Soak a graphene film with a three-dimensional network structure in a NIPAAm solution with a concentration of 100 mg / mL and stir for 20 hour...
Embodiment 2
[0038] Using graphite oxide powder as a raw material, prepare 100 mL of 5 mg / mL graphite oxide solution, and obtain a graphene oxide dispersion liquid after ultrasonic stripping and dispersion for 2 hours; pour it into a flat PTFT material evaporating dish; place it in a horizontal 60°C oven for evaporation into film, the evaporation time is 8 hours; take out the evaporating dish and let it cool at room temperature, and use tweezers to peel off the graphene oxide film;
[0039] The graphene oxide film obtained above was soaked in 50mL hydroiodic acid for 2h for reduction; washed with deionized water and dried naturally; the reduced film was cut into thin strips, and used at room temperature with a power density of 400mW / cm 2 15s of near-infrared light irradiation to obtain a graphene film with a three-dimensional network structure;
[0040] Soak a graphene film with a three-dimensional network structure in a NIPAAm solution with a concentration of 100 mg / mL and stir for 24 hou...
Embodiment 3
[0043] Using graphite oxide powder as raw material, prepare 80 mL of 5 mg / mL graphite oxide solution, and obtain a graphene oxide dispersion after ultrasonic stripping and dispersion for 1.5 h; pour it into a flat PTFT evaporating dish; place it in a horizontal 50°C oven for evaporation Film formation, the evaporation time is 8h; take out the evaporating dish and place it at room temperature to cool, and use tweezers to peel off the graphene oxide film;
[0044]The graphene oxide film obtained above was soaked in 40mL hydroiodic acid for 1.5h for reduction; washed with deionized water and dried naturally; the reduced film was cut into thin strips, and used at room temperature with a power density of 200mW / cm 2 25s of near-infrared light irradiation to obtain a graphene film with a three-dimensional network structure;
[0045] Soak a graphene film with a three-dimensional network structure in a NIPAAm solution with a concentration of 100 mg / mL and stir for 20 hours, so that the...
PUM
| Property | Measurement | Unit |
|---|---|---|
| thickness | aaaaa | aaaaa |
| concentration | aaaaa | aaaaa |
| concentration | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More